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Three-dimensional finite element analyses of all-ceramic posterior fixed partial dentures with different designs.
Umeå universitet, Medicinsk fakultet, Odontologi, Protetik.
2007 (Engelska)Ingår i: The International Journal of Prosthodontics, Vol. 20, nr 1, s. 89-91Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

The aim was to evaluate the influence on the stress distribution patterns in and the magnitude of stresses on fixed partial dentures (FPDs) under different anatomic and design conditions. Three-dimensional finite element models of posterior 3-unit all-ceramic FPDs were created with and without periodontal ligaments, with different radii of curvature at the embrasure area, and in a curve shape with a periodontal ligament. The model with a periodontal ligament showed 40% higher stress values compared to the no-ligament model. A smaller radius of curvature resulted in 20% to 40% higher stress values. The curved model increased stress values at the distal connector by 65% compared to the straight model. Support by teeth, occlusal curvature, and a small radius of curvature at the embrasure area negatively affect stress distribution patterns in the connector area of all-ceramic FPDs.

Ort, förlag, år, upplaga, sidor
2007. Vol. 20, nr 1, s. 89-91
Identifikatorer
URN: urn:nbn:se:umu:diva-7298PubMedID: 17319371OAI: oai:DiVA.org:umu-7298DiVA, id: diva2:146969
Tillgänglig från: 2008-01-08 Skapad: 2008-01-08 Senast uppdaterad: 2018-06-09Bibliografiskt granskad

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